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논문 기본 정보

자료유형
학술저널
저자정보
김용일 (농촌진흥청) 이정훈 (농촌진흥청) 안태진 (농촌진흥청) 이은송 (농촌진흥청) 박우태 (농촌진흥청) 김영국 (농촌진흥청) 장재기 (농촌진흥청)
저널정보
한국약용작물학회 한국약용작물학회지 한국약용작물학회지 제27권 제5호
발행연도
2019.10
수록면
322 - 329 (8page)
DOI
10.7783/KJMCS.2019.27.5.322

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초록· 키워드

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Background: Studies have suggested that the northern provinces of Gangwon-do are good sites for licorice (Glycyrrhiza uralensis Fisch.) cultivation in Korea, as they have similar temperatures to its original locations in northern China. However, poor growth and freezing injury are often reported in Korea. Therefore, it is necessary to reassess the domestic cultivation site of licorice.
Methods and Results: To determine the optimum temperature for cultivating licorice, the growth, yield, and pharmacological characteristics of G. uralensis were assessed in a temperature gradient tunnel at Eumseong, Chungcheongbuk-do, Korea in 2017. Plant height increased until the temperature rose to 5.9℃ above the local external temperature. Yield (㎏/10a) increased by 46.9% when the growing temperature was 1.5℃ to 3.0℃ (T2) above the external temperature and by 72.6% when the growing temperature was 3.0℃ - 4.5℃ (T3) above the external temperature. However, a difference of 4.5℃ - 5.9℃ (T4) above the external temperature, decreased the yield by 9.8% compared to that at T2. The glycyrrhizin content of G. uralensis roots in each temperature band was 0.72%, 0.53%, 0.91%, and 0.84% (T1, T2, T3, T4), these differences appear to result form individual plant variation rather than growth temperature.
Conclusions: Based on the results of this study, we estimate that the temperature-based optimum cultivation site for G. uralensis in Korea is the south central region, rather than the northern province of Gangwon-do. Improvement in growth and yield maybe observed if the plantations in the central Jecheon (Chungcheongbuk-do, Korea) are expanded into the south central region.

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UCI(KEPA) : I410-ECN-0101-2019-480-001278385